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Extract from the Register of European Patents

EP About this file: EP4244405

EP4244405 - TREATMENT OF METALLIC SURFACES BY OH-FUNCTIONAL COPOLYMER CONTAINING ACIDIC AQUEOUS COMPOSITIONS [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  18.08.2023
Database last updated on 02.09.2024
FormerThe international publication has been made
Status updated on  21.05.2022
Formerunknown
Status updated on  14.12.2021
Most recent event   Tooltip12.01.2024Change: Validation statespublished on 14.02.2024  [2024/07]
12.01.2024Change - extension statespublished on 14.02.2024  [2024/07]
Applicant(s)For all designated states
Chemetall GmbH
Trakehner Strasse 3
60487 Frankfurt / DE
[2023/38]
Inventor(s)01 / KHELFALLAH, Nawel Souad
60487 Frankfurt / DE
02 / BURKHARDT, Thomas
60487 Frankfurt / DE
03 / OSTROVSKY, Ilya
60487 Frankfurt / DE
04 / WALTER, Manfred
60487 Frankfurt / DE
05 / GASPARIC, Sven Daniel
60487 Frankfurt / DE
06 / ROTHER-NOEDING, Helen
67056 Ludwigshafen / DE
 [2023/38]
Representative(s)Steffan & Kiehne Patentanwälte PartG mbB
Burgplatz 21-22
40213 Düsseldorf / DE
[2023/38]
Application number, filing date21819348.009.11.2021
[2023/38]
WO2021EP81097
Priority number, dateEP2020020668310.11.2020         Original published format: EP 20206683
[2023/38]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2022101192
Date:19.05.2022
Language:EN
[2022/20]
Type: A1 Application with search report 
No.:EP4244405
Date:20.09.2023
Language:EN
The application published by WIPO in one of the EPO official languages on 19.05.2022 takes the place of the publication of the European patent application.
[2023/38]
Search report(s)International search report - published on:EP19.05.2022
ClassificationIPC:C23C22/34
[2023/38]
CPC:
C23C22/34 (EP,KR); C23F11/173 (US); B29B9/00 (KR);
C23C22/73 (KR)
Designated contracting statesAL,   AT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2023/38]
TitleGerman:BEHANDLUNG VON METALLISCHEN OBERFLÄCHEN MIT OH-FUNKTIONELLEN COPOLYMEREN ENTHALTEND SAURE WÄSSRIGE ZUSAMMENSETZUNGEN[2023/38]
English:TREATMENT OF METALLIC SURFACES BY OH-FUNCTIONAL COPOLYMER CONTAINING ACIDIC AQUEOUS COMPOSITIONS[2023/38]
French:TRAITEMENT DE SURFACES MÉTALLIQUES PAR UN COPOLYMÈRE À FONCTION OH CONTENANT DES COMPOSITIONS AQUEUSES ACIDES[2023/38]
Entry into regional phase12.06.2023National basic fee paid 
12.06.2023Designation fee(s) paid 
12.06.2023Examination fee paid 
Examination procedure12.06.2023Examination requested  [2023/38]
12.06.2023Date on which the examining division has become responsible
06.10.2023Amendment by applicant (claims and/or description)
Fees paidRenewal fee
30.11.2023Renewal fee patent year 03
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Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Cited inInternational search[A]EP1027170  (HENKEL KGAA [DE]) [A] 1-15 * paragraph [0036] - paragraph [0040] * * table 1 * * claim 2 *;
 [XAI]US2008070018  (MIYOSHI TATSUYA [JP], et al) [X] 1-6,8,11,12,14,15 * paragraph [0005] * * paragraph [0141] - paragraph [0143] * * paragraph [0200] - paragraph [0202] * * paragraphs [0426] , [ 464] , [ 496] * * table 10 * [A] 7,9,10 [I] 13;
 [XA]EP2287358  (SAMBIX CORP [JP]) [X] 1-5,8-10,15 * paragraph [0054] - paragraph [0055] * * paragraph [0088] * [A] 6,7,11-14;
 [A]TW201319317  (NIHON PARKERIZING [JP]) [A] 1-15 * paragraph [0003] * * paragraph [0051] - paragraph [0052] * * paragraph [0059] ** paragraph [0062] - paragraph [0063] *
by applicantUS4191596
 US4921552
 WO9713588
 WO2010100187
 WO2017046139
 WO2019053023
 WO2020049132
 WO2020049134
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.